value unc_up unc_lo author ref method 0.100 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM 0.130 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM 0.286 0.0320 0.0320 Masiero 2011ApJ...741...68M NEATM